Human Activity Has Even Affected Space Weather

The fact that human activity has had a major effect on the climate of the planet isn't news (to most people). But a new study has shown that we've inadvertently affected the "weather" of outer space as well. As it turns out, the nuclear tests carried out high in the atmosphere by both the United States and Russia during the Cold War impacted the electromagnetic field that surrounds the Earth. The good news? That gives us clues as to how space weather behaves and what we can do to prepare for the worst. Keep scrolling for more out-of-this-world weather.